Massage roller



FIG. 1 is a front perspective view from above of the massage roller showing the design;

FIG. 2 is a rear perspective view from below;

FIG. 3 is a front view thereof;

FIG. 4 is a rear thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The portions of the disclosure shown in broken lines form no part of the claimed design. 

CLAIM The ornamental design for a massage roller, as shown and described. 